JPH0457523U - - Google Patents
Info
- Publication number
- JPH0457523U JPH0457523U JP7658190U JP7658190U JPH0457523U JP H0457523 U JPH0457523 U JP H0457523U JP 7658190 U JP7658190 U JP 7658190U JP 7658190 U JP7658190 U JP 7658190U JP H0457523 U JPH0457523 U JP H0457523U
- Authority
- JP
- Japan
- Prior art keywords
- pipe bodies
- flow rate
- water level
- indirectly
- bent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Flow Control (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7658190U JPH0457523U (es) | 1990-07-20 | 1990-07-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7658190U JPH0457523U (es) | 1990-07-20 | 1990-07-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0457523U true JPH0457523U (es) | 1992-05-18 |
Family
ID=31808464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7658190U Pending JPH0457523U (es) | 1990-07-20 | 1990-07-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0457523U (es) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108605737A (zh) * | 2017-06-07 | 2018-10-02 | 哈尔滨福万民农业科技有限责任公司 | 一种四位一体全方位水稻水田生态种植模式 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS558741U (es) * | 1978-06-28 | 1980-01-21 |
-
1990
- 1990-07-20 JP JP7658190U patent/JPH0457523U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS558741U (es) * | 1978-06-28 | 1980-01-21 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108605737A (zh) * | 2017-06-07 | 2018-10-02 | 哈尔滨福万民农业科技有限责任公司 | 一种四位一体全方位水稻水田生态种植模式 |